How to Troubleshoot Outlook Set Folders Cannot be Opened Error?

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Microsoft outlook is a whole package of web-based services. Outlook webmail is considered one of the most secure mailing services. Indeed Outlook is a robust emailing service but people still face various issues while using this service. One of the most common issues reported by Outlook users is cannot start Microsoft Office Outlook. The main reason for this error is corrupted files. If the registry files get corrupted you will face cannot open the outlook window error with various other errors.

How to Troubleshoot Outlook Set Folders Cannot be Opened Error

Here are some possible ways for troubleshooting cannot start Microsoft Office Outlook Error:

Repairing Office app

Any kind of issue on your Outlook can lead to various errors. So, whenever you get into any error; repair your app immediately. Follow the steps given below for repairing Office app:

  1. Open your computer and navigate to Control panel
  2. Go to Programs and click on Programs and features
  3. Select the Office product (Outlook) to repair
  4. Hit the change button

Now click on Quick Repair and hit the Repair button. Wait for repairing the files. If the Quick Repair tool does not fix the set of folders cannot be opened outlook error then you should try the Online Repair tool.

Remove office

If you are unable to get the exact cause of this error then you should uninstall Office package and reinstall it. Reinstalling Office will ensure that there is no error on your Office package. Follow the steps for removing Office from your computer:

  1. Open your computer and go to Control Panel
  2. From Programs and Features tab, select Office Suite
  3. Click on uninstall

In case you can’t remove the Office suite from the control panel then you have to remove the Office suite manually.

Repair Outlook data

If the data file of your Outlook gets damaged then you may face improper uninstall or outlook the information store cannot be opened issues from time to time. Try repairing outlook data for troubleshooting this error:

  1. Open your Windows Explorer and click on program files
  2. Navigate to Microsoft Office
  3. Go to the search bar and exe
  4. Select SCANPST.EXE file
  5. Now double click on this file and browse for PST file location

Hit the start button to begin the scan. The repair tool will start scanning and fixing errors in the PST file. If the tool finds any error, it will show it in a tool dialog box. Click on the Repair button and wait for completing the process. Once complete, launch the Outlook app with the PST file and check whether Outlook the set of folders cannot be opened error gets fixed or not.

Disable your compatibility mode in Outlook

People also get errors while they are using Outlook with compatibility mode. Try using Outlook after disabling the compatibility mode. You can use the mentioned steps for disabling Outlook compatibility mode:

  1. Go to start menu and type exe
  2. Now right-click on Outlook.exe file
  3. Now click on compatibility from the properties tab
  4. Now clear the compatibility mode checkbox
  5. Hit the OK button
  6. Now restart your Outlook app

Check whether your compatibility mode gets disabled or not. If not then search for PST file and click on restore previous versions. If you are still getting Outlook information store could not be opened issue then you should try opening Outlook in safe mode. Go to search bar; type Outlook/safe and hit the Enter button. Now you will get a system prompt asking for your confirmation. Click on the Confirm button and use Outlook on Safe mode. If your Outlook is running without any error on the safe mode then your Outlook app does not have any error. You are dealing with some system error. Repair your device’s program or registry file and then try to access Outlook.

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